authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-12-31 13:13:13-05:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-12-31 13:13:13-05:00
log25051832b37bab8d945e6284899a4c916ae00ada
tree05e8cdd4f5c026e665b9f79188805d99926ae464
parentd972d1c9428f7ee762462dd0f074b6db6896790f
signature Commit is signed but in an unrecognized format.

std.fmt.format: add helpful compile error for non-tuple args

1 files changed, 3 insertions(+), 0 deletions(-)

lib/std/fmt.zig+3
...@@ -94,6 +94,9 @@ pub fn format(...@@ -94,6 +94,9 @@ pub fn format(
94 args: var,94 args: var,
95) Errors!void {95) Errors!void {
96 const ArgSetType = @IntType(false, 32);96 const ArgSetType = @IntType(false, 32);
97 if (@typeInfo(@TypeOf(args)) != .Struct) {
98 @compileError("Expected tuple or struct argument, found " ++ @typeName(@TypeOf(args)));
99 }
97 if (args.len > ArgSetType.bit_count) {100 if (args.len > ArgSetType.bit_count) {
98 @compileError("32 arguments max are supported per format call");101 @compileError("32 arguments max are supported per format call");
99 }102 }